Utilizing a nuanced boolean condition for filtering in Angular

I am having some difficulty with my AngularJS filters when using a checkbox for filtering. Here is an example of the checkbox code:

<div class="col-sm-2" style="text-align: right">
    <label for="include-deleted-search" class="control-label">Include Deleted</label>
</div>
<div class="col-sm-2">
    <input ng-model="search.includeDeleted" type="checkbox" id="include-deleted-search"/>
</div>

I am trying to filter airlines based on whether they are deleted (and includeDeleted is true) or not deleted.

Although, I am facing issues with the { isDeleted: search.includeDeleted } filter in my table.

<table class="table table-hover table-striped table-bordered">
    <thead>
        <tr>
            <th>Ariline ID</th>
            <th>Airline Name</th>
            <th>Country</th>
            <th>Telephone</th>
            <th>24hr Telephone</th>
            <th>Email Address</th>
            <th>Deleted</th>
        </tr>
    </thead>
    <tr dir-paginate="airline in airlines | filter: { airlineName: search.airlineName||'' } | filter: { country: search.countryName||'' } | filter: { isDeleted: search.includeDeleted||!isDeleted }  | itemsPerPage: pageSize" current-page="currentPage">
        <td>{{ airline.airlineId }}</td>
        <td>{{ airline.airlineName }}</td>
        <td>{{ airline.country }}</td>
        <td>{{ airline.telephoneNumber }}</td>
        <td>{{ ariline.telephone24Hour }}</td>
        <td>{{ airline.emailAddress }}</td>
        <td>{{ airline.isDeleted }}</td>
    </tr>
</table>

I'm looking for suggestions on how to create a proper filter condition for this scenario. Would it be necessary to write a custom filter? All other functionalities are working correctly.

Answer №1

From what I gather, you can tailor the criteria depending on the search.includeDelted parameter. If it is true, return undefined (assuming isDeleted represents a boolean) to include all items, or else return false to filter out only the falsy ones:

filter:{isDeleted: search.includeDeleted?undefined:false}

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